Boat fender



FIG. 1 is a perspective view of a boat fender showing my new design.

FIG. 2 is an enlarged top plan view thereof.

FIG. 3 is an enlarged bottom plan view thereof.

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereto; and,

FIG. 5 is a front side elevational view thereof, the rear side elevational view being a mirror image thereto.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a boat fender, as shown and described. 